Contains a deletion originating from the P{EP}TorEP2353 that extends 3514 bp downstream, removing the Tor translation start site and the amino terminal 902 codons.
Mutation is a deletion resulting from imprecise excision of TorEP2353.
lethal (with mTorG2256D)
lethal (with mTorQ528stop)
lethal (with mTorR248stop)
lethal (with mTorV2148D)
lethal (with mTorW1251R)
dorsal mesothoracic disc & nucleolus
TorΔP homozygous somatic clones in third instar larval eye discs exhibit a delay in G1/S transition during the second mitotic wave, as mutant cells enter S phase in a more posterior region than control cells.
Electroretinograms (ERGs) recorded from TorΔP/TorΔP full eye clones show significantly reduced amplitudes and off transients compared to controls. TorΔP/TorΔP full eye clones are reduced in size compared to controls. TorΔP/TorΔP mutants exhibit slow growth and developmental delay. TorΔP/TorΔP mutants in egg chamber follicle cells show reduced clone and cell size.
TorΔP larvae show relatively mild dendrite growth defects in the large C4da dendritic arbors.
TorΔP/+ heterozygote adults are significantly lighter compared to wild-type. The females eclose slightly earlier under standard nutrition than wild-type but at the same time as wild-type if nutrition is limited. Adult females have smaller wings as the cells are smaller compared to wild-type but their number is not changed.
TorΔP/+ flies have eyes similar to wild-type.
In TorΔP germline clones, 67% of eight-cell cysts contain pro-oocytes that have prematurely transitioned from the mitotic to the meiotic cycle.
TorΔP MARCM neuroblast clones exhibit developmental axon regrowth defects.
Homozygous dendrite arborization neuron clones show a severe and highly penetrant simplification of the dendritic arbors, with significant reductions in both the number and length of dendritic branches.
In the eye imaginal discs, TorΔP mutant cells proliferate more slowly than their wild-type twin spot control cells.
Cells in homozygous clones in the fat body are 70% smaller than surrounding wild-type cells.
Mosaic TorΔP mutant clones show a nearly complete block of TR-avidin uptake.
BrdU incorporation is normal in somatic clones of TorΔP homozygous cells in the late third instar eye disc.
Loss of Tor activity causes induction of autophagy in normally fed animals. Larvae show reduced size, as do the cells of the fat body. Lethality occurs late in the larval stages.
Clones of TorΔP homozygous wing disc cells show a marked reduction in cell size and an increase in the population of cells in G1 compared to wild-type cells from the same discs.
Homozygotes hatch at normal rates, but grow more slowly than normal and eventually arrest during larval development, reaching only 24% the mass of wild-type controls. The mutants remain viable and active during an extended larval period of about 30 days and eventually die without pupating. Homozygous somatic clones in the adult produces mutant cells markedly reduced in size. Clones in the wing are approximately half the size of controls. When TorΔP clones are compared to wild-type sister clones, in developing imaginal discs, they are similar in size 48 hours after induction, but by 72-96 hours they contain significantly fewer cells. In addition lone twin spots lacking a mutant sister are occasionally observed, indicating that at some frequency TorΔP homozygous cells are eliminated from the disc epithelium. FACS analysis of clones in the developing imaginal discs reveals a decrease in cell size of 30% observed in all phases of the cell cycle. Cell cycle phasing is also considerably different to that of controls, with relatively more cells in G1. and fewer in S and G2 phases. When salivary glands are examined from TorΔP mutant larvae a phenotypes affecting both polytene gland cells and the imaginal ring cells are seen. The endoreplicative cells undergo only four or five rounds of replication before entering quiescence, reaching a ploidy 16 ro 32 C and a size about 10% of wild-type. The imaginal rings of these larvae contain approximately fivefold fewer cells than wild-type. When homozygous mutant clones are examined in the wing imaginal disc, the nucleolar area is approximately half the size seen in wild-type cells. Also the appearance of fat body cells in the larva is changed by an aggregation of lipid vesicles. At 3-4 days after egg deposition (AED), both endoreplicative and mitotic tissues are found to cycle normally in TorΔP homozygotes (as measured by BrDU incorporation). In contrast, by 5-6 days AED all endoreplicative tissues including the gut fat body and salivary glands fail to incorporate BrDU. Whereas neuroblasts continue to cycle. The same is seen at 10d AED.
mTorΔP has decreased cell size | somatic clone phenotype, enhanceable by Atg1UAS.cSa/Scer\GAL4Act5C.PP
mTorΔP has lethal | larval stage phenotype, enhanceable by Atg1Δ3D
mTorΔP has abnormal cell size phenotype, enhanceable by Atg5RNAi.UAS/Scer\GAL4αTub84B.PL
mTorΔP has abnormal developmental rate phenotype, enhanceable by Atg5RNAi.UAS/Scer\GAL4αTub84B.PL
mTorΔP has abnormal neuroanatomy | adult stage | somatic clone phenotype, non-enhanceable by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has decreased cell size | somatic clone phenotype, non-enhanceable by Ptendj189
mTorΔP has abnormal neuroanatomy | somatic clone | adult stage phenotype, suppressible by SREBPUAS.Exel/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has abnormal neuroanatomy | somatic clone | adult stage phenotype, suppressible by sev4/sev4
mTorΔP has abnormal neuroanatomy | somatic clone | adult stage phenotype, suppressible by baboDN.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has abnormal cell size phenotype, suppressible by Scer\GAL4αTub84B.PL/S6kTE.UAS
mTorΔP has decreased cell size | third instar larval stage | somatic clone - Minute background phenotype, non-suppressible by RhebEP50.084-loxP/Scer\GAL4Tub.PU
mTorΔP has decreased cell size | third instar larval stage | somatic clone - Minute background phenotype, non-suppressible by Pten117/Pten117
mTorΔP has abnormal neuroanatomy | somatic clone | adult stage phenotype, non-suppressible by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has decreased occurrence of cell division | somatic clone | third instar larval stage phenotype, non-suppressible by Thork13517/Thork13517
mTorΔP has abnormal mitotic cell cycle | somatic clone phenotype, non-suppressible by Scer\GAL4αTub84B.PL/RhebUAS.cSa
mTorΔP has decreased cell size | somatic clone phenotype, non-suppressible by Scer\GAL4αTub84B.PL/RhebUAS.cSa
mTorΔP has decreased cell size | somatic clone phenotype, non-suppressible by Ptendj189
Tor[+]/mTorΔP is an enhancer of visible phenotype of Pi3K92ED954A.UAS.Tag:MYC, Scer\GAL4Bx-MS1096
mTorΔP is an enhancer of lethal | pupal stage phenotype of Atg1Δ3D
mTorΔP/mTorΔP is a non-enhancer of abnormal neuroanatomy | adult stage | somatic clone phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP/mTorΔP is a suppressor of abnormal neuroanatomy | somatic clone | adult stage phenotype of sev4
mTorΔP/mTorΔP is a suppressor | partially of abnormal neuroanatomy | somatic clone | adult stage phenotype of Scer\GAL4DIP-γ-MI03222-GAL4, baboDN.UAS.cUa
Tor[+]/mTorΔP is a suppressor of abnormal neurophysiology | third instar larval stage phenotype of LrrkUAS.cIa, Scer\GAL4Mhc.PW
Tor[+]/mTorΔP is a suppressor | partially of flightless | progressive phenotype of Pten1/Pten5
mTorΔP is a suppressor of hyperplasia | conditional | somatic clone phenotype of Ras85DV12.UAS, Scer\GAL4FRT.Act5C, Scer\GAL80αTub84B.PL
mTorΔP/mTorΔP is a non-suppressor of abnormal neuroanatomy | somatic clone | adult stage phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
Df(2R)Sema2b-C4, mTorΔP has abnormal neuroanatomy | third instar larval stage phenotype
GluRIIASP16/Df(2L)cl-h4, mTorE161K/mTorΔP has abnormal neurophysiology | larval stage phenotype
S6k[+]/S6kl-1, mTorΔP has abnormal neuroanatomy | dominant phenotype
Sin1[+]/Sin1e03756, mTorΔP has abnormal neuroanatomy | dominant phenotype
mTorΔP, rictor[+]/rictorΔ2 has abnormal neuroanatomy | dominant phenotype
mTorΔP, trc1/trc[+] has abnormal neuroanatomy phenotype
mTorΔP has fat body | somatic clone phenotype, enhanceable by Atg1UAS.cSa/Scer\GAL4Act5C.PP
mTorΔP has fat body phenotype, enhanceable by Atg5RNAi.UAS/Scer\GAL4αTub84B.PL
mTorΔP has distal medullary amacrine neuron Dm8 | adult stage | somatic clone phenotype, non-enhanceable by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has dendrite | adult stage | somatic clone phenotype, non-enhanceable by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has cell cycle | somatic clone phenotype, non-enhanceable by Ptendj189
mTorΔP has distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype, suppressible by SREBPUAS.Exel/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has dendrite | somatic clone | adult stage phenotype, suppressible by SREBPUAS.Exel/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype, suppressible by sev4/sev4
mTorΔP has dendrite | somatic clone | adult stage phenotype, suppressible by sev4/sev4
mTorΔP has distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype, suppressible by baboDN.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has dendrite | somatic clone | adult stage phenotype, suppressible by baboDN.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has cell cycle phenotype, suppressible by CycEhs.PR
mTorΔP has larval fat cell | third instar larval stage | somatic clone - Minute background phenotype, non-suppressible by RhebEP50.084-loxP/Scer\GAL4Tub.PU
mTorΔP has larval fat cell | third instar larval stage | somatic clone - Minute background phenotype, non-suppressible by Pten117/Pten117
mTorΔP has distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype, non-suppressible by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has dendrite | somatic clone | adult stage phenotype, non-suppressible by SREBPCA.UAS.cUa/Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP has eye disc | somatic clone | third instar larval stage phenotype, non-suppressible by Thork13517/Thork13517
mTorΔP has cell cycle | somatic clone phenotype, non-suppressible by Ptendj189
Tor[+]/mTorΔP is an enhancer of eye phenotype of EBV\BZLF1GMR.PA
mTorΔP is an enhancer of eye phenotype of EBV\BZLF1GMR.PA
Tor[+]/mTorΔP is an enhancer of wing phenotype of Pi3K92ED954A.UAS.Tag:MYC, Scer\GAL4Bx-MS1096
mTorΔP/mTorΔP is a non-enhancer of distal medullary amacrine neuron Dm8 | adult stage | somatic clone phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP/mTorΔP is a non-enhancer of dendrite | adult stage | somatic clone phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP/mTorΔP is a suppressor of distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype of sev4
mTorΔP/mTorΔP is a suppressor of dendrite | somatic clone | adult stage phenotype of sev4
mTorΔP/mTorΔP is a suppressor | partially of distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype of Scer\GAL4DIP-γ-MI03222-GAL4, baboDN.UAS.cUa
mTorΔP/mTorΔP is a suppressor | partially of dendrite | somatic clone | adult stage phenotype of Scer\GAL4DIP-γ-MI03222-GAL4, baboDN.UAS.cUa
Tor[+]/mTorΔP is a suppressor of embryonic/larval neuromuscular junction | third instar larval stage phenotype of LrrkUAS.cIa, Scer\GAL4Mhc.PW
Tor[+]/mTorΔP is a suppressor | partially of eye phenotype of EBV\BRLF1GMR.PA
Tor[+]/mTorΔP is a suppressor | partially of interommatidial bristle phenotype of EBV\BRLF1GMR.PA
Tor[+]/mTorΔP is a suppressor | partially of ommatidium phenotype of EBV\BRLF1GMR.PA
mTorΔP is a suppressor of eye phenotype of EBV\BRLF1GMR.PA
mTorΔP is a suppressor of adult Malpighian tubule | conditional | somatic clone phenotype of Ras85DV12.UAS, Scer\GAL4FRT.Act5C, Scer\GAL80αTub84B.PL
mTorΔP/mTorΔP is a non-suppressor of distal medullary amacrine neuron Dm8 | somatic clone | adult stage phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
mTorΔP/mTorΔP is a non-suppressor of dendrite | somatic clone | adult stage phenotype of InRK1409A.UAS, Scer\GAL4DIP-γ-MI03222-GAL4
Df(2R)Sema2b-C4, mTorΔP has dendrite | third instar larval stage phenotype
GluRIIASP16/Df(2L)cl-h4, mTorE161K/mTorΔP has embryonic/larval neuromuscular junction | larval stage phenotype
mTorΔP, trc1/trc[+] has larval multidendritic class IV neuron phenotype
S6k[+]/S6kl-1, mTorΔP has larval dorsal multidendritic neuron ddaC phenotype
Sin1[+]/Sin1e03756, mTorΔP has dendrite phenotype
Sin1[+]/Sin1e03756, mTorΔP has larval dorsal multidendritic neuron ddaC phenotype
mTorΔP, rictor[+]/rictorΔ2 has larval dorsal multidendritic neuron ddaC phenotype
The delay in G1/S transition during the second mitotic wave in third instar larval eye discs displayed by TorΔP homozygous somatic clones is not suppressed by additional clonal homozygosity for Thork13517.
The level of non-contacting dendrite crossing in class IV dendrite arborizing larval neurons is significantly increased in TorΔP;Df(2R)Sema-2b-C4 double mutants compared to either TorΔP/+ or Df(2R)Sema-2b-C4/+ heterozygotes.
TorΔP/+ suppresses the increase in excitatory junction current amplitude and quantal content seen in larvae NMJs expressing LrrkScer\UAS.cIa under the control of Scer\GAL4Mhc.PW.
The dendritic branches of ddaC neurons in TorΔP/+ ; S6kl-1/+ double heterozygous larvae have fewer branch points than wild-type controls.
The dendritic branches of ddaC neurons in TorΔP/+ ; Sin1e03756/+ and in TorΔP/+ ; rictorΔ2/+ double heterozygous larvae show increased crossing over of each other, indicating a tiling defect.
Class IV da neurons of TorΔP/+ ; trc1/+ double heterozygous larvae show defects in dendritic tiling, with a significantly higher number of dendritic branches crossing one another compared to wild type.
Expression of Atg1Scer\UAS.cSa under the control of Scer\GAL4Act5C.PP in TorΔP clones in the fat body results in a further decrease in cells size compared to TorΔP single mutant clones.
Expression of Atg5dsRNA.Scer\UAS catastrophically arrests development of TorΔP; larvae are 6-fold smaller than TorΔP mutants alone. Fat body cell size is reduced a further 2-fold. Atg1Δ3D,TorΔP double mutants show lethality at the embryonic stage.
The small size and increase in the proportion of cells in G1 seen in cells from TorΔP homozygous wing disc clones, is unaffected by the expression of RhebScer\UAS.cSa in the clone cells (driven by Scer\GAL4αTub84B.PL when Scer\GAL80αTub84B.PL is removed in the same mitotic recombination event that creates the TorΔP homozygous clone).
The small size and increase in proportion of cells in G1 seen in cell from TorΔP homozygous wing disc clones, is unafected by the expression of RhebScer\UAS.cSa in the clone cells (driven by Scer\GAL4αTub84B.PL when Scer\GAL80αTub84B.PL is removed in the same mitotic recombination event that creates the TorΔP homozygous clone.)
TorΔP/+ partially suppresses the eye-phenotype associated with EBV\BRLF1GMR.PA-expression.
TorΔP/+ partially enhances the eye-phenotype associated with EBV\BRLF1GMR.PA-expression.
mTorΔP is rescued by mTorWT.UAS.Tag:FLAG/Scer\GAL4DIP-γ-MI03222-GAL4
mTorE161K/mTorΔP is rescued by mTorWT.UAS.Tag:FLAG/Scer\GAL4Mhc.PW